Which of the following statements correctly describes a difference between the S814 and S824?

A.
The S814 is a tower server and the S824 can be either a tower or rack mounted server

B.
The S814 has one socket and the S824 has up to two sockets

C.
The S814 can have one or two sockets and the S824 has four sockets.

D.
The S814 uses 1U of rack space and the S824 uses 2U of rack space.